P-5

Ancillary Services Prices, Day Ahead Market

04/25/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:000.840.840.25650.250.250.2565
07:009.593.090.58070.50.580
08:0011.550.58070.50.580
09:0016.510256.58.52256.5
10:0014.097.59256.58.52256.5
11:0016.510256.58.52256.5
12:0016.510256.58.52256.5
13:0014.658.15251.58.52251.5
14:00158.50.55070.50.550
15:0016.5100.55070.50.550
16:0016.5100.55070.50.550
17:0016.5100.55070.50.550
18:008.343.030.55071.690.550
19:0010.393.890.55070.50.550
20:0014.37.82.0156.518.512.012.0156.51
21:0010.393.890.55570.50.555
22:0070.810.55070.810.550
23:000.250.250.25500.250.250.2550